<!doctype html> 
<html> 
<head> 
    <meta charset="utf-8"> 
    <title></title> 
</head>
<body>
<script type="text/javascript">
/*
Array.prototype.sipei = function(){
	alert(this);
};
[1,2,3].sipei();
*/
/*
String.prototype.maguofeng = function(){
	alert(this);
};
'lixueci'.maguofeng();
*/
/*
Number.prototype.zhaojiali = function(){
	alert(1);
};

var a = 1;
a.zhaojiali();
*/
/*
Function.prototype.wangjiaojiao = function(){
	alert('让你不说');
};

function a(){};
a.wangjiaojiao();
*/
Object.prototype.fuerdaiwangziyu = function(){
	alert(12);
};
function a(){};
a.fuerdaiwangziyu();
//[].fuerdaiwangziyu();

</script>
</body>
</html>